- Second World War (1939-1945)
- SS-Obersturmbannführer (Lieutenant-colonel)
- Kommandeur, SS-Panzergrenadier-Regiment 10 Westland, 5. SS-Panzer-Division "Wiking", Waffen-SS
- Awarded on:
- April 20th, 1945
Franz Hack was the first person whose awarding of the Eichenlaub did not occur with a number. According to his own words the award was made by SS-Obergruppenführer Gille and SS-Oberführer Ulrich. The awarding was confirmed by an entry between 15th - 20th April in the recommendations book of OKH/PA/P 5 and an entry in the Soldbuch of Hack with the date of 20th April 1945. According the countings it would have been the 844th Award.